Q-Cells vs Talesun - solar panel manufacturer comparison
Talesun has the broader catalog (144 vs 89 models). Talesun leads on peak efficiency at 24.80%. Talesun leans bifacial (59% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...
- Founded
- 1999
- Headquarters
- Seoul, South Korea
- Annual capacity
- 11.2 GW/year
- Employees
- 2000+
- Listed
- NASDAQ: HQCL
- Tier 1 bankable
- Yes
Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...
- Founded
- 2010
- Headquarters
- Suzhou, China
- Annual capacity
- 5+ GW/year
- Employees
- 501
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Talesun skews to higher efficiency: 28% of lineup is 23%+
Talesun offers more 600W+ panels (49% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
Dominant cell tech: <strong>TOPCon</strong> (44%)
The flagships
Written summary
Q-Cells, originally a German solar cell manufacturer now operating as a subsidiary of South Korea's Hanwha Group, holds BloombergNEF Tier 1 bankability status and runs global module capacity above 11 GW annually, including a 3.3 GW vertically integrated factory in Cartersville, Georgia, one of the largest solar manufacturing complexes in the United States. Talesun, formally Suzhou Talesun Solar Technologies, was founded in 2010 and is headquartered in Suzhou, Jiangsu province, China. The company has shipped more than 36 GW of modules cumulatively and, as of Q1 2025, appears on BloombergNEF's Tier 1 module maker list, reflecting recognition by mainstream global lenders and insurers. Between the two, Q-Cells carries the considerably stronger institutional footprint, backed by one of South Korea's largest conglomerates and a manufacturing presence spanning multiple continents.
Q-Cells is broadly positioned as a premium-to-mid-range brand for residential rooftops and commercial installations across the US, Europe, and Australia. Its panels center on Q.ANTUM PERC-derived cell technology, and the company has confirmed active development of TOPCon and perovskite-silicon tandem modules, with a 28.6% efficiency record achieved on a tandem cell in late 2024. Current commercial models reach efficiencies around 22.5%, and independent reviewers single out the brand for strong temperature-coefficient performance in hot climates. Talesun covers a wider output range, from entry-level modules to high-wattage panels near 710 W, with efficiencies spanning roughly 17.5% to 23% depending on series. Its pricing is generally competitive, and the brand appears across residential, commercial, and utility-scale projects, particularly in Asia-Pacific and parts of Europe, though some independent reviews flag mixed field reliability compared to the top tier of competitors.
For most buyers in 2025, Q-Cells is the more defensible default, offering broader installer familiarity, a stronger warranty track record, and the financial security of a major Korean conglomerate behind it. Talesun is a credible Tier 1 option for cost-sensitive commercial or utility projects where price per watt leads the decision, but buyers should seek independent field-performance data before committing it to long-duration residential installations.
Generated by Claude Sonnet · 2026-05-22
Other brand comparisons
Shop prices: See 25 Q-Cells offers · See 2 Talesun offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.